code: def visit_upload_file_content(self, _: UploadFileContent) -> dict:
      raise InternalClientError(
          "Specialized endpoint should be used to upload file attribute"
      )
  
imports: from neptune.common.exceptions import InternalClientError
  from neptune.internal.operation import AddStrings, AssignArtifact, AssignBool, AssignDatetime, AssignFloat, AssignInt, AssignString, ClearArtifact, ClearFloatLog, ClearImageLog, ClearStringLog, ClearStringSet, ConfigFloatSeries, CopyAttribute, DeleteAttribute, DeleteFiles, LogFloats, LogImages, LogStrings, Operation, RemoveStrings, TrackFilesToArtifact, UploadFile, UploadFileContent, UploadFileSet
  from neptune.internal.operation_visitor import OperationVisitor, Ret
label_desc: Use image node_id 9 for calling the OperationApiObjectConverter obj's underlying member method code with example usage: obj.visit_upload_file_content(_) without return types